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Preface At present, the iteration of front-end update is faster and faster, and the corresponding supporting services are also developing rapidly. node service koa uses web pack packaging scheme. install npm install npm run build New project package.json { "name": "koa2-blog", "version": "1.0.0", "description": "blog", "main": "main.js" ...

Demand: The project involves uploading pictures or videos to Qiniuyun. If you submit binary data to the backstage for uploading, the experiment experience is not very good, the file is small or good, and the whole process of a large file will be very slow. So you need to upload the front-end directly to Qiniu, and then submit the resource key ...

I. Introduction Official download: https://introjs.com/example/hello-world/index.html Basic configuration Setting parameters: Setting multiple formats json format: key:value can set parameters nextLabel: "Next →", prevLabel: "← Back", skipLabel: "Skip", doneLabel: "Done", tooltipPosition: "bottom", tooltipClass: "", hi ...

Recently, the company asked to do live video broadcasting function with chat room to record today First introduce the required Js Cloud Melting Technical Documentation https://www.rongcloud.cn/docs... <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script> <script src="https://sdk-release.qnsdk.com/qiniu-web- ...

Catalog: bbs homepage construction Using admin background management to input data bbs homepage construction First add the home url # Add in urls.py url(r'^home/', views.home), bootstrap components used in front-end pages https://v3.bootcss.com/components/#navbar https://v3.bootcss.com/com ...

Article directory web application architecture Front-end building web application architecture Create an application instance by calling flask Flask extension Bootstrap is usually initialized when creating program instances from flask import Flask,render_template,request,json,jsonify from flas ...

An $. each is generally used to traverse an array or object, $. fn.each() is the operation that a jQuery instance can perform (because $. FN is the prototype of a jQuery object) each is used to traverse an array or object, perform drop-back functions in turn, and finally return the passed array or object to support the chain operation. Three pa ...

JQuery  datatables api $(function(){ var docrTable = $('#aaa').dataTable({ "destroy":true, //No error will be reported. "bProcessing" : true, //Whether the'progress'prompt is displayed when the Data Tables load the data "bServerSide" : true, //Whether to start server-sid ...

The jinjia syntax is similar to jsp in Java Web. It can interact directly with the background in html with specific grammar rules and implement some simple logical operations. Background function @blog.route("/blog") def blog(): data = [...] return render_templates("index.html", data=data) ...

Project requirements: Because of the statistical analysis of mathematical modeling competition data, it is necessary to get the actual departure and landing time of all flights in an airport one day. Code analysis: Take the airport as an example, the time to arrive at the airport is the same. ...